题目内容

After the energy crisis, they made up their minds to _______________ an oilfield that could _______________ enough oil for people in their own country to consume in the near seabed (勘探;生产).

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汽车用蓄电池电压一般是多少伏?

A. 12
B. 14
C. 28
D. 24

蓄电池按照大的类型上一般有哪几种形式?

A. 免维护蓄电池
B. 普通蓄电池
C. 干荷蓄电池
D. 启动蓄电池

起动机不需要保养。

A. 对
B. 错

蓄电池一般能用4-5年。

A. 对
B. 错

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